Changes to Lake Navigation Structures

Due to fluctuating water levels the following structures have changed. To report a notice to mariners, call 702-293-8778.
  • Sand Island Light #4: Previously located at:North 36.11028 degrees West 114.8169 degreesIs now a lighted buoy located at:North 36.10609 degrees West 114.81536 degreesThis Red, Cone Shaped Buoy will display the number 4 and during times of darkness, show a Red Light and display a “Flash 4" sequence. The light is on for 0.5 seconds then off for 3.5 seconds after which the sequence is repeated.
  • Gypsum Island Light: previously located at:North 36.1075 degrees West 114.8225 degreesIs now a lighted buoy located at: North 36.1075 degrees West 114.8225 degreesThis Green, Can Shaped Buoy will display the number 5 and during times of darkness, show a Green Light and display a "Flash Four" sequence. The light is on for 0.5 seconds then off for 3.5 seconds after which the sequence is repeated.
  • Burro Point Light #6: Previously located at:North 36.07407 degrees West 114.43100 degreesIs now a lighted buoy located at:North 36.05188 degrees West 114.43801 degreesThis Red, Cone Shaped Buoy will display the number 6 and during times of darkness, show a Red Light and display a "Quick Flash" sequence. The light is on for 0.3 seconds then off for 0.7 seconds after which the sequence is repeated.
  • Temple Mesa Light #37 This light has been reestablished. It is located at: North 36 degrees 01 minutes, 45 secondsWest 114 degrees 15 minutes, 47 seconds. This lighted beacon, which shows a green flash sequence, comes on for 0.4 seconds then turns off for 3.6 seconds after which the sequence is repeated.
  • Upper Boulder Basin Narrows Light #18 Previously located at North 36 degrees 09' 02" West 114 degrees 34' 11" Now a buoy located at North 36 degrees 09' 05"West 114 degrees 34' 17" This red conical shaped buoy will display the number 18 and during times of darkness show a red light and display a flash sequence. The light is on for 0.3 seconds then off for 0.7 seconds after which the sequence is repeated.
  • Rams Head Island Buoy #8A a red-lighted buoy has been established atNorth 36 degrees 16' 00"West -114 degrees 24' 29" This conical shaped, red buoy will show a red light and display a "Quick Flash" sequence. The light is on for 0.4 seconds then off for 0.6 seconds after which the sequence is repeated.
  • Delmar Butte Light #33 previously located at: North 36 degrees 03' 37"West -114 degrees 17' 23" is now a green lighted buoy located at: North 36 degrees 03' 28"West -114 degrees 17' 46" This can shaped green buoy will show a green light and display a "Flash Four" sequence. The light is on for 0.3 seconds then off for 0.7 seconds after which the sequence is repeated.
  • South Cove Light #4 previously located at: North 36 degrees 05’ 17”West -114 degrees 06’ 10” Is now a red lighted buoy located at: North 36 degrees 05’ 18”West -114 degrees 06’ 46” This conical shaped red buoy will show a red light and display a “Flash Four” sequence. The light is on for 0.3 seconds then off for 0.7 seconds after which the sequence is repeated.
  • South Boulder Island Red Light #2 previously located at: North 36 degrees 02 minutes 05 secondsWest -114 degrees 45 minutes 38 seconds replaced in the form of a buoy located at: North 36 degrees 02 minutes 08 secondsWest -114 degrees 45 minutes 09 seconds South Boulder Island Buoy #2 will be a red conical shaped buoy showing a red light and displaying a “Flash Four” sequence. The light is on for 0.4 seconds then off for 3.6 seconds after which the sequence is repeated.
  • Black Ridge Shore Light #19 previously located at: North 36 degrees 23 minutes 13 secondsWest -114 degrees 22 minutes 34 seconds has been relocated as a buoy located at: North 36 degrees 22 minutes 27 seconds West -114 degrees 22 minutes 23 seconds. This green can shaped buoy #19 will show a “Flash” sequence. There will be a green light flashing on for 0.4 seconds and off for 3.6 seconds after which the sequence will repeat.
  • Cathedral Canyon Light #7 is now located at: North 36.25005 degrees, West 114.40211 degrees. This Green, Can Shaped Buoy will display the number 7 and during times of darkness, show a Green Light and display a "Flash Four" sequence. The light is on for 0.5 seconds then off for 3.5 seconds after which the sequence is repeated.
  • Boathouse Cove Light #21 is now located at: North 36.14760 degrees, West 114.48507 degrees. This Green, Can Shaped Buoy will display the number 21 and during times of darkness, show a Green Light and display a "Quick Flash" sequence. The light is on for 0.3 seconds then off for 0.7 seconds after which the sequence is repeated.

Last updated: January 20, 2022

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Mailing Address:

601 Nevada Way
Boulder City, NV 89005

Phone:

702 293-8990
Call 911 For All Emergencies (24 hours). Call 988 for Suicide & Crisis Lifeline (24 Hours). Call 702-293-8990 for Visitor and Recreation Information (Visitor Center open 9 a.m. to 4 p.m. 7 days a week, excluding Christmas Day and New Year's Day). Call 702-293-8906 for Park Business and Administration (Open 8 a.m. to 4 p.m. Monday - Friday, excluding Christmas Day and New Year's Day).

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